This week, biotechnology is a hot topic as cosmetic chemist Alanna Tran debuts her microbiome-friendly brand BiotechBeauty and The W Nail Bar rebrands to Goodness Maintenance Co with debut haircare product BioTech Blowout. Elsewhere, Guerlain celebrates the 60th anniversary of its Habit Rouge men’s fragrance through a collaboration with Hennessy. Including launches from Tower28, Fenty Beauty, and Eight Saints, here’s what caught our editorial team's attention across the past seven days.RETAILPersonal care brand method has made its debut in Ulta Beauty. The brand will be available in all 1,400 Ulta Beauty stores nationwide and online, stocking exclusive hair and body mists.Biohacking beauty and wellness brand SickScience is now available on Amazon, stocking best-selling products including ShapeShift V-Line Jaw Defining Serum and PowerCycle Scalp Treatment.Skincare brand The Inkey List has launched into SpaceNK with a focus on educating consumers about exosomes. The collaboration between the two beauty names will see The Inkey List exclusively launch its new Exosome Hydro-Glow Complex into 80 SpaceNK stores on April 8.BRAND